Find the next number in the sequence

5 12 24 36 ?

If a wheel has 54 spokes, how many spaces are there between the spokes?

Can you decipher these quotes by Albert Einstein?
Blf xzm mvevi hloev z kilyovn lm gsv ovevo lm dsrxs rg dzh xivzgvw.

I am the first thing you need while camping.
I am always with the person named Marcos Valencia and Carrick.
But Pogba Zlatan and Rooney think I am wasteful and do not need me.
I am the second to the last thing to add when you are making a patch.

What am I?

John has played 50 ODI's and his average is 50. How many runs should he score in his 51st ODI, so that his average score jumps to 51?

What is the riddle which can be asked all day with a different correct answer each time.

Can you find a number that lies one third of the distance between 1/3 and 2/3?

Can you place six X (crosses) in below board without making three in a row in any way ?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

Can you calculate the probability of getting a sum of six when a dice is thrown twice?